PeroK's latest activity
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PeroK replied to the thread Seeking clarity on the physical definition of an observer.Regarding questions 2 and 3, one suggestion is to read Feynman's book on QED:The Strange Theory of Light and Matter. It doesn't cover... -
PeroK reacted to SmartyPants's post in the thread High School Taking a limit and getting the wrong answer...don't know why with
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I did see an example of this limit being solved with the substitution you mentioned, and it does make things a bit easier to visualize. -
PeroK replied to the thread High School Taking a limit and getting the wrong answer...don't know why.I would have been tempted to try letting ##y = \sin x##. I don't know if that helps. -
PeroK replied to the thread Introduction.For the time being. -
PeroK replied to the thread Introduction.Mathematics is not a gadget that you can tinker with. -
PeroK replied to the thread Physics Physics Research Ideas for Medical Physics Position?.I got the impression from your posts that you had been assigned to a clinical project or technical support role within the hospital, and... -
PeroK replied to the thread Undergrad Infinity and 0 (null set) do not exist.There are several uses of term "infinite", "infinity", or the symbol ##\infty## in mathematics. The natural numbers, for example, is an... -
PeroK reacted to Jaime Rudas's post in the thread Undergrad Are Alternative Dark Energy Models Treated More Favorably Than MOND? with
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I think the issue has to do with the fact that General Relativity is one of the most successful theories in history, so any model that... -
PeroK reacted to Ibix's post in the thread Undergrad Are Alternative Dark Energy Models Treated More Favorably Than MOND? with
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IIRC, Vanadium 50 used to comment that MOND (or at least some variations thereof) works almost embarrassingly well at the scale of... -
PeroK replied to the thread Physics Physics Research Ideas for Medical Physics Position?.Whoever pays your salary gets to tell you what to do. That's called paid employment. Some people call it being a "wage slave". Welcome... -
PeroK reacted to DarkloidNeos's post in the thread How good is Brian Cox as a science communicator? with
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I mean even I know that's not right. -
PeroK replied to the thread Just a dreamer….Do you mean AI, as in artificial intelligence; or, ai, as in the pale-throated sloth? https://en.wikipedia.org/wiki/Pale-throated_sloth -
PeroK replied to the thread High School Seemingly odd quantum tunneling.Quantum tunnelling is on a microscopic scale. Not just tunnelling (which you seem to be obsessed by), but QM phenomena are taking place... -
PeroK replied to the thread High School Seemingly odd quantum tunneling.A human being (and other life) grows by cell division. Your question would be what stops an entire human being spontaneously cloning... -
PeroK replied to the thread Need study guidance/roadmap for Quantum Physics.This is, IMO, the most accessible introduction to QM. Even if you don't follow all the maths, it is highly insightful...